Go to webroot official site.
Then, enter your email address that is associated with the Webroot.
Now you can type the correct Webroot keycode now click on next.
Select the webroot download and then click on the Download button.
When the file gets downloaded then open this file and install it.
Once the installation screen appears.
Then Enter your product key.
Choose your preferred language.
When prompted, type the email address.
After that, click on the Continue button.
Follow the on-screen directions and get done with the installation process.
Type the Webroot keycode in the field for Activate 20 digit product key.
After that, click on the Activate button.
Finally your Webroot safe is activated successfully.
In case a scan starts automatically, enable it to complete.